Embraer exist for many of the short hop trips United also covers. edit: to add some elucidation, United operate 40 737-700s that they may consider replacing so

Embraer exist for many of the short hop trips United also covers. edit: to add some elucidation, United operate 40 737-700s that they may consider replacing soon, the E195 would be an option against the A320 or 737-MAX7 options.